AirHint found the following cheapest return flights from Montreal (YUL) to Oslo (OSL) in October 2025 (see full year).

Return flights

13 Oct - 20 Oct	Air Transat
06 Oct - 13 Oct	Air Transat
02 Oct - 09 Oct	Air Transat
01 Oct - 08 Oct	Air Transat
14 Oct - 21 Oct	Porter Airlines (Canada) Ltd
05 Oct - 12 Oct	Air Transat
16 Oct - 23 Oct	Porter Airlines (Canada) Ltd
11 Oct - 18 Oct	Air Transat
15 Oct - 22 Oct	Porter Airlines (Canada) Ltd
23 Oct - 30 Oct	Air Transat
25 Oct - 01 Nov	SWISS
26 Oct - 02 Nov	SWISS
27 Oct - 03 Nov	SWISS
28 Oct - 04 Nov	SWISS
29 Oct - 05 Nov	SWISS
30 Oct - 06 Nov	SWISS
31 Oct - 07 Nov	Air Transat

Also check the deals for one-way flights from Montreal to Oslo in October.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Oslo

Cheap car rent in Oslo

Cheapest return flights from Montreal to Oslo in October from $593

Return flights